Dometic 9300, 9400, 9500 Installation guide

Brand: Dometic

Model: 9300, 9400, 9500

Category: Sanitary ware

Type: Installation guide

SANITATION

TOILETS

9300/9400/9500

9000 Series

Installation Manual

Toilets

NORTH AMERICAN ADDRESS INFORMATION

U.S.A. & CANADA

Service Oﬃce

Dometic Corporation

13128 St. Rte. 226

Big Prairie, OH 44611

Service Center & Dealer

Locations

Refer to “8 Customer service” on

page 18

Read these instructions carefully. These instructions MUST stay with this product.

CONTENTS

1 Explanation of symbols and safety instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 General information ....................................................... 4

3 Intended use ............................................................ 4

4 Specifications ............................................................ 5

5 Prepare for installation ..................................................... 7

6 Installation ..............................................................12

7 Disposal ................................................................15

8 Customer service .........................................................15

Toilets

1 EXPLANATION OF SYMBOLS AND SAFETY INSTRUCTIONS

This manual has safety information and instructions to help you eliminate or reduce the risk of

accidents and injuries.

1.1 Recognize safety information



This is the safety alert symbol. It is used to alert you to potential physical injury hazards.

Obey all safety messages that follow this symbol to avoid possible injury or death.

1.2 Understand signal words

A signal word will identify safety messages and property damage messages, and will indicate the

degree or level of hazard seriousness.

indicates a hazardous situation that, if not avoided, could result in death or

serious injury.

indicates a hazardous situation that, if not avoided, could result in minor or

moderate injury.

is used to address practices not related to physical injury.

indicates additional information that is not related to physical injury.

1.3 Supplemental directives



Read and follow all safety information and instructions to avoid possible injury or death.

Read and understand these instructions before installation of this product.

Incorrect installation of this product can lead to serious injury.

The installation must comply with all applicable local or national codes, including the

latest edition of the following standards:

U.S.A.

• ANSI/NFPA70, National Electrical Code (NEC)

• ABYC guidelines for marine installations

1.4 General safety messages

Failure to obey the following warnings could result in death, serious injury, or

property damage:

• This product must be installed and serviced by a qualiﬁed service technician.

• Do not modify this product in any way. Modiﬁ cation can be extremely hazardous.

• SHOCK OR FIRE HAZARD: Always use recommend fuse, circuit breaker, and wire size. Failure

to do so can result in a ﬁre that can cause the loss of property and life.

• FLOOD HAZARD:

– Seacocks must be installed in all piping connected to through-the-hull ﬁttings. Seacocks

must be easily accessible to all users of the toilet, or secondary valves should be ﬁtted in

hose runs where they are easily accessible.

– If the toilet is connected to any through-the-hull ﬁttings: always close seacocks when

toilet is not in use (even if the boat is unattended for a brief period).

Toilets

– Valves must be full-bore valves of marine sanitation quality. Do not use screw-to-close

gate valves.

– Flexible hoses must be of marine sanitation quality and must be secured to any ﬁttings

with two stainless steel, worm-drive, hose-band clamps at each connection. Check

connections frequently for integrity.

– Use properly positioned, ventilated loops when the potential exists for the toilet rim to

fall below the waterline during any heel, load, or trim condition, or when the toilet is

connected to any through-the hull ﬁttings. The ventilated loops must be installed in the

intake (if connected to raw water) and/or the discharge piping.

– Ensure that all electrical power to the toilet is turned oﬀ and that seacocks are in the

closed or oﬀ position before installing the toilet or performing any maintenance.

– If the toilet uses fresh water for ﬂushing and is connected directly or indirectly to a

shore side municipal water system at any time: shoreside water connections must be

disconnected if the boat is unattended (even if boat is unattended for a brief period).

– If the toilet is connected to any through-the-hull ﬁttings: all ﬂexible hoses must be of

marine sanitation quality and must be secured to any ﬁttings (such as those at seacock,

vented loop, or toilet) with two stainless steel worm-drive hose band clamps at each

connection. Connections must be checked frequently for integrity.

– If the toilet uses raw water for ﬂushing at any time, a raw-water pump controlled by an

automatically operat ing demand switch must not be installed. If the onboard water

valve or any plumbing connections were to leak, the automatically operated pump

would start and could ﬂood the boat.

RISK OF PROPERTY DAMAGE: Failure to obey the following notices may cause

damage to the toilet or toilet system.

• Only ﬂush water, bodily wastes, and rapid-dissolving toilet tissue.

• Do not overﬁll the holding tank, or serious damage can occur to the sanitation system.

Overﬁlling the holding tank can rupture the holding tank or release tank contents into the

bilge.

• This toilet system is not intended for raw water ﬂush toilet systems and is not designed to

ﬂush with seawater. Only use a fresh water supply.

2 GENERAL INFORMATION

Included Parts

RushFlush toilet High-ﬂow electric water valve

Check valve Maintenance valve

Flush switch and status panel (9400 and 9500 only)

Optional Parts*

System status panel (9300 only)

*Available as accessory (not included)

Toilets

3 INTENDED USE

The 9000 Series RushFlush toilets are designed and intended for use inside the boat for which it is

supplied. RushFlush toilets are not intended for use with a raw water or seawater ﬂush system. Use

the instructions to ensure correct operation of the toilet. Dometic accepts no liability for damage

in the following cases:

• Faulty assembly or connection.

• Damage to the product resulting from mechanical inﬂuences and excess voltage.

• Alterations to the product without expressed permission from Dometic Corporation.

• Use for purposes other than those described in the operating manual.

Dometic Corporation reserves the right to modify appearances and speciﬁcations without notice.

4 SPECIFICATIONS

4.1 Materials

Component 9300, 9400, 9500

Toilet vitreous ceramic

Control module housing ABS plastic

Discharge outlet high-tech polymer

Discharge ﬂange ABS plastic

Panel frame ABS plastic

Panel polycarbonate resin

Flush handle plated brass*

*applicable models

Toilets

4.2 Minimum system requirements

Electrical

Power draw 1.2 A @ 12 VDC/0.6 A @ 24 VDC

Circuit breaker/

fuse recommended size

2 A @ 12 VDC/1 A @ 24 VDC

Water Supply

Upper rim 1/2" NPT inlet, water valve

Lower bowl jet 1" NPT inlet, water valve

Flow rate 15 gpm (57 lpm) @ 30–50 PSI (207–345 kPa)

Discharge

Inside diameter (ID) 1.5" (38 mm) pipe or 1.875" (47 mm) hose

Horizontal run gravity drain*

Required Components

Water pump** 15 gpm (57 lpm)

Potable water pressure tank** 150 PSI (1034 kPa) working pressure rating

Electric ﬂush switch Dometic model

*Horizontal discharge plumbing must drop a minimum of 1/8" (3 mm) per foot (30.5 cm) of

horizontal run.

** Purchased separately. Water pump may be part of vessel’s potable water system.

Speciﬁcations are subject to change without notice.

Toilets

4.3 Dimensions

9300 Series

9400 Series

9500 Series

Reference 9300 Series 9400 Series 9500 Series

A 19" 19" 19"

B 16.5"* 14" 14.75"

C 21.5" 21.5" 22"

D 17.5" 17.5" 17.5"

E 17" 17" 17.5"

F 10.5" 10.5" 10.5"

G 33.5" 33.5" 37"

*Width measurement includes ﬂush handle

Toilets

OK TO

FLUSH

DO NOT

FLUSH

Reference

Flush Switch (DFS)

(Figure 7)

Touchpad (DFT)

(Figure 8)

Touch Panel

(DFSHW)

(Figure 9)

A 3" 2" 3"

B 3.4" 3.25" 3.4"

C .4" 0.4375" .4”

5 PREPARE FOR INSTALLATION

Failure to obey the following warnings could result in property damage, serious

injury, or death:

• FLOOD HAZARD. For toilets that use raw-water systems: Do not install a raw-water pump

controlled by an automatic demand switch.

• SHOCK OR FIRE HAZARD. Always use recommend fuse, circuit breaker, and wire size. Failure

to do so can result in a ﬁre that can cause the loss of property and life.

Toilets

5.1 Understanding requirements for the fresh-water system

Switch/Status Panel

Blackwater

Holding Tank

Freshwater

Holding Tank

Lower Bowl Water

Supply Line

Fresh Water To

Other Fixtures

Pressure

Gauge

(0–100 PSI)

1" Pump

Inlet Strainer

(40 mesh)

Toilet

5-Gallon

Potable Water

Pressure Tank

(30/50 PSI)

High-ﬂow

Water Pump

Rim Water

Supply Line

Check

Valve

Check

Valve

Electric High-ﬂow

Water Jet Valve

Maintenance

Ball Valve

General guidelines

• Follow all applicable local and national regulations, codes, and standards

• All water supply system plumbing should be 1" ID with a recommended 100 PSI minimum

working pressure rating

• Water inlet strainer: 1" ID, 40 mesh

• Pressure gauge: 0 – 100 PSI

Water pump guidelines

• Grundfos MQ3-35 or equivalent is recommended

• 1" NPT connections

• Internal pressure switch: 50 PSI cut-out, 30 PSI cut-in

• MQ3 Pump draw: 8 A @110 V, 4 A @ 220 V (pumps vary by manufacturer)

• 15 gpm required (MQ3 pump rated at 22 GPM max ﬂow with no restrictions)

• Choose a pump with adequate suction li capability for pump installation parameters (MQ3

pump has 25' of suction life capability, but varies depending on horizontal run)

Potable water pressure (accumulator) tank guidelines

• Amtrol Well-X-Trol WX-105-PS or equivalent is recommended

• 3/4" NPT, or larger connections

• 5 gallon total volume, 1.8 gallon drawdown @ 30/50 PSI

• Air pressure charge: 2-4 PSI below pump cut-in pressure

• Recommended to use one ﬁve-gallon accumulator tank for up to six heads

Pressure relief valve guidelines

Installation of a pressure relief valve is recommended by the accumulator tank

manufacturer in order to protect the fresh water system in case of pressure switch

malfunction.

• Install near accumulator tank and pump

• Set to open at excessive water system pressures

Toilets

Electric rim wash valve guidelines (inside toilet)

• 1/2" NPT connection

• 1/2" plumbing to the toilet. If using a single water supply line, this 1/2" branch must intersect

with the main 1" distribution line prior to the electric high-ﬂow water valve.

Electric high-ﬂow water jet valve guidelines

• Electric high-ﬂow water jet valve and maintenance ball valve supplied with every toilet

• 1" NPT connections

• Place water jet valve closest to toilet and the maintenance ball valve farthest from the toilet

– Refer to direction arrow on top of the water jet valve inlet port

• In-line strainer factory-installed in the water jet valve inlet

– Cone shape protrudes out against the direction of water ﬂow, away from the center of

the valve, and is pointed towards the maintenance ball valve

• Water jet valve has a small white manual override lever located by the solenoid:

– Place in vertical position for correct electrical operation

– Place in horizontal position to manually test the water system

Discharge plumbing guidelines

• Keep all lines as short and straight as possible

• Minimum downhill slope required: 1/8" per foot

• 1-1/2" ID pipe or 1-7/8" ID hoses required

– For 1-1/2" pipe:

• Requires drain, waste, and vent (DWV) pipe ﬁttings with sweeping changes of

direction

• Do not use schedule 40 or 80 ﬁttings with tight turns

• Install unions, as necessary, for service

– For 1-7/8" hose, eliminate hose sags and low spots

Check valve guidelines

• Flapper style supplied with every toilet

• Spring check: 1"

• Install valve:

– Close to the toilet

– On the discharge side of the toilet plumbing

– Before the waste line joins with any common discharge line

– When open, the ﬂapper “hinge” must be at the highest possible location

– So the ﬂapper opens in-line with the direction of the water ﬂow

• When gluing the valve in place, do not allow excess glue to contact the ﬂapper

• When ﬂushing overboard through the seacock:

– Loop inside the toilet must be above the waterline

– Seacock must be 1-1/2" full-ﬂow and located no lower than 12" below the water line

Toilets

5.2 Planning the electrical connections (Models 9400 and 9500)

Plan the switch/status panel location, if applicable, so that the wiring cable and

connections are installed in locations that always remain dry. Use the length of the

provided wiring cable to help space the electrical connections at the proper distance

from the toilet.

Floor

Wall

➤ Place the wall switch template in the

desired location.

➤ Mark the location of the fastener and

access holes.

Floor

Wall

➤ Remove the template from the wall.

➤ Drill a 1" diameter hole in the center and

fasten the panel bracket to the wall.

5.3 Identifying centerline and access hole locations

Through-the-ﬂoor method

Discharge

Floor Flange

Discharge

Floor Flange

Floor

(Below-Finished Floor Level Installation)

(Above-Finished Floor Level Installation)

Rim

Spacer

Sub-Floor

China Toilet

Base-Rear

China Toilet

Base-Rear

3/8" (10 mm)

max. distance

3/8" (10 mm)

max. distance

Rim

➤ For through-the-ﬂoor connections, use the below-ﬂoor installation method, when possible.

The discharge ﬂoor ﬂange should be installed directly on the ﬁnished ﬂoor. However, if

the bottom of the ﬂoor ﬂange and the bottom of the toilet must be at diﬀerent heights,

make sure the bottom of the discharge ﬂoor ﬂange rim is within 3/8” (10 mm) of the

bottom of the toilet, regardless of the installation method.

Toilets

Rear Corner

of Bowl

(Floor)

14"

10.5"

3.25"

Overall Bowl Width

4.25"

1.5"

Floor

Wall

Reference Name

A Discharge ﬂange access hole

B Upper rim water supply line and electrical wire access hole

C Lower bowl water supply line access hole

D Primary centerline

E Secondary centerline

Through-the-wall method

1.5"

Floor

Overall Bowl Width

Wall

(14" min.)

1.5"

Wall

Floor

1.5"

2.25"

1.5"

Reference Name

A Discharge outlet access hole

B Upper rim water supply line and electrical wire access hole

C Lower bowl water supply line access hole

D Primary centerline

E Horizontal primary centerline

F Secondary centerline

Toilets

Marking the locations (applicable to both methods)

➤ Position the bowl in the designated toilet location.

➤ Conﬁrm that adequate clearance exists for the seat and lid to open freely and (for 9300 series

only) the ﬂush handle to operate easily on the le side of the toilet.

➤ Mark the rear corners of the bowl and set the bowl aside.

➤ Measure the distance between the two rear corner marks and divide the measurement in half

to identify the primary centerline location.

➤ Draw the primary centerline a minimum of 14” long.

– If using the through-the-wall method, also mark the horizontal primary centerline.

➤ Mark the center of the discharge ﬂange access hole.

➤ Mark the center of the upper rim water supply line and electrical wires access hole.

➤ Draw the secondary centerline a minimum of 4” long.

➤ Mark the center of the lower bowl water supply line access hole.

➤ Drill the discharge ﬂange access hole.

➤ Drill the upper rim water supply line and electrical wires access hole.

➤ Drill the lower bowl water supply line access hole.

Toilets

6 INSTALLATION

6.1 Installing the toilet with through-the-ﬂoor connections

Discharge

Flange

#14 x 1-1/2"

Screw

Sealing

Grommet

Washer

➤ Turn the electrical power OFF.

➤ Align the discharge ﬂange with slots

facing front-to-back, then insert the

discharge ﬂange into the discharge ﬂange

access hole.

➤ Loosely secure the discharge ﬂange using

the #14 × 1-1/2" screws and washers

(provided).

➤ Place the sealing grommet into the top

of the discharge ﬂange and lubricate

the inside of the grommet hole

using dish soap.

Toilet

(Rear)

Floor

Mounting

Bolt Location

Sealing

Grommet

Discharge

Outlet

➤ Carefully lower the toilet, keeping it level,

until the toilet discharge outlet slides into

the sealing grommet and the toilet base

rests ﬂat on the ﬂoor.

➤ Slide the toilet front-to-back (no more than

1/2" each direction) until the toilet bowl is

straight and in the desired location.

➤ Mark the mounting bolt locations using

the holes as a guide.

➤ Carefully raise the toilet and set aside.

➤ Tighten the discharge ﬂange screws.

➤ Drill 3/16" pilot holes for the mounting bolts.

➤ Proceed to “6.3 Finalizing the installation”

on page 15.

6.2 Installing the toilet with through-the-wall connections

➤ Place the toilet in the desired location.

➤ Mark the mounting bolt locations using

the holes as a guide.

➤ Carefully move the toilet aside and drill

3/16" pilot holes for the mounting bolts.

Lower Bowl

Water Supply Line

Access Hole

Elbow Fitting

➤ Install an elbow ﬁtting (not provided) for

the lower bowl water supply line.

➤ Proceed to “6.3 Finalizing the installation”

on page 15.

Toilets

6.3 Finalizing the installation

Lower Bowl

Water Supply

Line

Upper Rim

Water Supply

Line

Wiring

➤ Route a 1/2" ID upper rim water supply

line through the access hole. Use a

1/2" NPT connection (not provided).

➤ Route a 1" ID lower bowl water supply

line through the access hole. Leave

approximately 3' of extra line attached in

order to make a ﬂexible loop.

➤ Route #18 gauge stranded copper wire

from the DC power source (positive and

ground) through a fuse or circuit breaker.

Leave at least 18" of wire for the toilet

connection.

➤ Route wiring to the toilet location.

Route all other optional wiring

according to the wiring diagrams.

Flush

Switch

Touchpad

Ethernet

Cable

Ethernet

Cable

Flush switch (9400/9500)/system status

panel (optional 9300) installation

➤ Route the touchpad or ﬂush switch Ethernet

cables from the Ethernet connection on the

toilet control module through the access hole

in the wall.

➤ Plug the Ethernet cable into the touchpad or

ﬂush-switch panel.

➤ Snap the touchpad or ﬂush-switch panel onto

the panel bracket.

Toilets

Toilet

(Rear)

Lower

Bowl Water

Supply Line

Upper

Rim Water

Supply Line

Wiring

➤ Connect the discharge plumbing

from the holding tank to the discharge

ﬂange or waste outlet. See section “5.1

Understanding requirements for the fresh-

water system” on page 9.

➤ Position the toilet near the discharge ﬂange.

➤ Connect the upper rim water supply line

to the water valve.

➤ Route the wiring for the control module

through the wiring access hole and up

through the toilet plumbing lines.

➤ Connect the lower bowl water supply line

to the toilet, looping the line as shown.

– For through-the-wall installations, loop

through the elbow ﬁtting down to the

inlet at the toilet base.

Control

Module

Switch

Connector

Toilet

(Rear)

Sealing

Grommet

➤ Remove the control module from the

inside and back of the toilet.

➤ Attach the panel cable to the toilet control

module (RJ45 connector).

➤ Reattach the control module to the back

of the toilet.

➤ Set the toilet back in place by inserting

the discharge outlet into the sealing

grommet.

Bolt

Cover

Do not slide the toilet over the

discharge ﬂange. Carefully align and

place over the adapter to prevent

possible damage.

➤ Adjust the toilet so the toilet mounting

bolt holes are aligned with the pilot holes

and the discharge adapter is aligned with

the sealing grommet in the ﬂoor ﬂange.

Press straight down to secure.

➤ “Test the toilet for leaks” before proceeding.

➤ Secure the toilet to the ﬂoor, using #14

x 2-1/2” lag bolts. Push the decorative

covers onto the bolt heads.

Test the toilet for leaks

➤ Turn on the water supply and electrical

power to the toilet.

➤ Li the ﬂush handle, or push “add water”

button for several seconds.

➤ Flush the toilet multiple times to observe

operation. To adjust ﬂush duration,

see section “6.4 Adjusting the water

consumption settings” on page 17.

➤ Wait one hour and check for leaks on the

ﬂoor and at the rear of the toilet.

Toilets

6.4 Adjusting the water consumption settings

RIM

–

JET

–

Toilet

(Rear)

Control

Module

➤ Locate the water control module at the

inside and rear of the toilet.

➤ Turn the rim and/or lower water jet

control knobs to adjust the ﬂow time for

each area.

– Increase ﬂow: turn the dial

clockwise.

– Decrease ﬂow: turn the dial counter-

clockwise.

Toilets

7 DISPOSAL

Place the packaging material in the appropriate recycling waste bins, whenever possible.

Consult a local recycling center or specialize dealer for details about how to dispose of

the product in accordance with all applicable national and local regulations.

8 CUSTOMER SERVICE

For the Authorized Service Center near you, call between 8:00 a.m. and 5:00 p.m. (ET), Monday

through Friday, or contact the nearest Parts Distributor.

Telephone: 1 800-321-9886 U.S.A. and Canada

330-439-5550 International

Fax:

330-496-3097 U.S.A. and Canada

330-439-5567 International

Website: www.dometic.com

Dometic 9300, 9400, 9500 Installation guide

Brand: Dometic

Model: 9300, 9400, 9500

Category: Sanitary ware

Type: Installation guide

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Dometic 9300, 9400, 9500 Installation guide

Dometic 9300, 9400, 9500 Installation guide

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